ProRes 4444 visible as thumnails in Bin, but won't playback

Here's the full spec of the file for you @Tom Nord 

General
Complete name : X:\Projects\_LIVE\0840_.........
Format : MPEG-4
Format profile : QuickTime
Codec ID : qt 2005.03 (qt )
File size : 3.10 GiB
Duration : 6 s 600 ms
Overall bit rate mode : Variable
Overall bit rate : 4 033 Mb/s
Frame rate : 25.000 FPS
Encoded date : 2024-06-08 03:03:40 UTC
Tagged date : 2024-06-04 03:04:10 UTC
Writing library : Apple QuickTime
TIM : 21:06:12:03
TSC : 25
TSZ : 1

Video
ID : 1
Format : ProRes
Format version : Version 1
Format profile : 4444
Codec ID : ap4h
Duration : 6 s 600 ms
Bit rate mode : Variable
Bit rate : 4 030 Mb/s
Width : 8 192 pixels
Height : 4 320 pixels
Display aspect ratio : 1.896
Frame rate mode : Constant
Frame rate : 25.000 FPS
Color space : YUV
Chroma subsampling : 4:4:4
Scan type : Progressive
Bits/(Pixel*Frame) : 4.555
Stream size : 3.10 GiB (100%)
Writing library : adb0
Language : English
Encoded date : 2024-06-08 03:03:40 UTC
Tagged date : 2024-06-08 03:03:40 UTC
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio
ID : 2
Format : PCM
Format settings : Little / Signed
Codec ID : sowt
Duration : 6 s 600 ms
Bit rate mode : Constant
Bit rate : 1 536 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 48.0 kHz
Bit depth : 16 bits
Stream size : 1.21 MiB (0%)
Language : English
Encoded date : 2024-06-08 03:03:40 UTC
Tagged date : 2024-06-08 03:03:40 UTC

Other
ID : 3
Type : Time code
Format : QuickTime TC
Duration : 6 s 600 ms
Frame rate : 25.000 FPS
Time code of first frame : 21:06:12:03
Time code of last frame : 21:06:18:17
Time code, stripped : Yes
Language : English
Encoded date : 2024-06-08 03:03:40 UTC
Tagged date : 2024-06-08 03:03:40 UTC

Hi @Kevin-Monahan , They were Red Raw and DNG originally, the DIT transcoded them to 4444, so unsure of his method/platform/software. Could find out if it was helpful?